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/* $OpenBSD: ssl_init.c,v 1.2 2018/03/30 14:59:46 jsing Exp $ */
/*
* Copyright (c) 2018 Bob Beck <beck@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* OpenSSL style init */
#include <pthread.h>
#include <stdio.h>
#include <openssl/objects.h>
#include "ssl_locl.h"
static pthread_t ssl_init_thread;
static void
OPENSSL_init_ssl_internal(void)
{
ssl_init_thread = pthread_self();
SSL_load_error_strings();
SSL_library_init();
}
int
OPENSSL_init_ssl(uint64_t opts, const void *settings)
{
static pthread_once_t once = PTHREAD_ONCE_INIT;
if (pthread_equal(pthread_self(), ssl_init_thread))
return 1; /* don't recurse */
OPENSSL_init_crypto(opts, settings);
if (pthread_once(&once, OPENSSL_init_ssl_internal) != 0)
return 0;
return 1;
}
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